x86 setup: fix asm constraints in vesa_store_edid

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Impact: fix potential miscompile (currently believed non-manifest)

As the comment explains, the VBE DDC call can clobber any register.
Tell the compiler about that fact.

Signed-off-by: Andreas Schwab <schwab@suse.de>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

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Andreas Schwab 2009-01-27 21:45:57 +01:00 • committed by H. Peter Anvin

parent 7cb36b6ccd

commit 042cbaf88a

1 changed files with 5 additions and 6 deletions

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arch/x86/boot/video-vesa.c

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